Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use, despite harmful consequences. â  It is considered a brain disease because drugs change the brainâthey change its structure and how it works.ource: From the laboratories of Drs. N. Volkow and H. Schelbert. Addiction is a lot like other diseases, such as heart disease. Both disrupt the normal, healthy functioning of the underlying organ, have serious harmful consequences, and are preventable and treatable, but if left untreated, can last a lifetime.
there is a dog from Africa called a Basenji, it doesn't bark, it sorta yodels. and also the visila from south America is said not to bark Please don't listen to all of the smart arses. Deaf dogs bark very little. But all dogs bark.
They are also quite social and love to show off their talents. Siberian Huskies do not bark â that's the good news. Here's the bad: they do enjoy howling, which can be very frustrating for your neighbors. Unless you have a properly trained and well-exercised Siberian Husky, they do not make ideal pets for apartments.iberian Huskies are pack dogs, and they need an owner who is the clear leader of the pack. This makes training easier because you will find that your dog respects you, but don't be surprised if he tests the limits of your position in the pack and tries to take control from time to time.